Workup
Laboratory Studies
- No specific laboratory studies are indicated for Zenker diverticulum, aside from otherwise medically indicated preoperative evaluations.
Imaging Studies
- Barium swallow is the diagnostic procedure of choice. Patients with symptomatic disease usually have a posterior midline pouch greater than 2 cm in diameter arising just above the cricopharyngeus muscle. No other study is required if no other abnormality is present.9,8 (See image below and Image 1.)
Illustrated barium swallow demonstrates the pouch retaining contrast and its connection to the esophagus immediately inferior and posterior to the larynx.
Other Tests
- The history strongly suggests the diagnosis of Zenker diverticulum. Most patients (98%) present with some degree of dysphagia. When combined with regurgitation of undigested food particles, the differential diagnosis is mainly limited to Zenker diverticulum and achalasia.
Diagnostic Procedures
- Endoscopy is indicated if the contrast study shows esophageal mucosal irregularities for which neoplasia must be excluded.17
- Esophageal manometry is indicated if achalasia or another esophageal motility disorder is suspected from the contrast study.
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References
Ludlow A. A case of obstructed deglutition from a preternatural dilatation of and bag formed in the pharynx. In: Medical Observations and Enquiries by a Society of Physicians in London. 3:85. 2nd ed. 1769:101.
Zenker FA, von Ziemssen H. Krankenheiten des oesopahgus. In: von Ziemssen H, ed. Heandbuch der Speciellen Pathologie and Therapie. Vol 7 (Suppl.). Leipzig: FCW Vogel; 1877:1-87.
Killian G. Ueber den Mund der Speiseröhre. Ztschr f Ohrenh Wiesb. 1908;55:1–41.
Wheeler WJ. Pharyngocele and dilation of pharynx. Dublin J Med Sci. 1886;82:349–357.
Crescenzo DG, Trastek VF, Allen MS, et al. Zenker's diverticulum in the elderly: is operation justified?. Ann Thorac Surg. Aug 1998;66(2):347-50. [Medline].
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van Overbeek JJ, Groote AD. Zenker's diverticulum. Curr Opin Otolaryngol Head Neck Surg. 1994;2:55-8.
Allen MS. Pharyngoesophageal diverticulum: technique of repair. Chest Surg Clin N Am. Aug 1995;5(3):449-58. [Medline].
Fulp SR, Castell DO. Manometric aspects of Zenker's diverticulum. Hepatogastroenterology. Apr 1992;39(2):123-6. [Medline].
Cook IJ, Gabb M, Panagopoulos V, et al. Pharyngeal (Zenker's) diverticulum is a disorder of upper esophageal sphincter opening. Gastroenterology. Oct 1992;103(4):1229-35. [Medline].
Cook IJ, Blumbergs P, Cash K, et al. Structural abnormalities of the cricopharyngeus muscle in patients with pharyngeal (Zenker's) diverticulum. J Gastroenterol Hepatol. Nov-Dec 1992;7(6):556-62. [Medline].
Bradley PJ, Kochaar A, Quraishi MS. Pharyngeal pouch carcinoma: real or imaginary risks?. Ann Otol Rhinol Laryngol. Nov 1999;108(11 Pt 1):1027-32. [Medline].
Bowdler DA, Stell PM. Carcinoma arising in posterior pharyngeal pulsion diverticulum (Zenker's diverticulum). Br J Surg. Jul 1987;74(7):561-3. [Medline].
Sen P, Kumar G, Bhattacharyya AK. Pharyngeal pouch: associations and complications. Eur Arch Otorhinolaryngol. May 2006;263(5):463-8. [Medline].
Nemechek AJ, Amedee RG. Zenker's diverticula. J La State Med Soc. Feb 1996;148(2):49-53. [Medline].
Achem SR, Devault KR. Dysphagia in aging. J Clin Gastroenterol. May-Jun 2005;39(5):357-71. [Medline].
van Overbeek JJ. Meditation on the pathogenesis of hypopharyngeal (Zenker's) diverticulum and a report of endoscopic treatment in 545 patients. Ann Otol Rhinol Laryngol. Mar 1994;103(3):178-85. [Medline].
Ferreira LE, Simmons DT, Baron TH. Zenker's diverticula: pathophysiology, clinical presentation, and flexible endoscopic management. Dis Esophagus. 2008;21(1):1-8. [Medline].
Keck T, Rozsasi A, Grün PM. Surgical treatment of hypopharyngeal diverticulum (Zenker's diverticulum). Eur Arch Otorhinolaryngol. Aug 28 2009;[Medline].
Sharp DB, Newman JR, Magnuson JS. Endoscopic management of Zenker's diverticulum: stapler assisted versus Harmonic Ace. Laryngoscope. Oct 2009;119(10):1906-12. [Medline].
Roth JA, Sigston E, Vallance N. Endoscopic stapling of pharyngeal pouch: a 10-year review of single versus multiple staple rows. Otolaryngol Head Neck Surg. Feb 2009;140(2):245-9. [Medline].
Fama AF, Moore EJ, Kasperbauer JL. Harmonic scalpel in the treatment of Zenker's diverticulum. Laryngoscope. Jul 2009;119(7):1265-9. [Medline].
Mulder CJ. Zapping Zenker's diverticulum: gastroscopic treatment. Can J Gastroenterol. Jun 1999;13(5):405-7. [Medline].
Bonavina L, Bona D, Abraham M, et al. Long-term results of endosurgical and open surgical approach for Zenker diverticulum. World J Gastroenterol. May 14 2007;13(18):2586-9. [Medline].
Ruiz-Tovar J, Perez de Oteyza J, Collado MV, et al. 20 years experience in the management of Zenker's diverticulum in a third-level hospital. Rev Esp Enferm Dig. Jun 2006;98(6):429-35. [Medline].
Narne S, Cutrone C, Bonavina L, et al. Endoscopic diverticulotomy for the treatment of Zenker's diverticulum: results in 102 patients with staple-assisted endoscopy. Ann Otol Rhinol Laryngol. Aug 1999;108(8):810-5. [Medline].
Payne WS. The treatment of pharyngoesophageal diverticulum: the simple and complex. Hepatogastroenterology. Apr 1992;39(2):109-14. [Medline].
Huang B, Payne WS, Cameron AJ. Surgical management for recurrent pharyngoesophageal (Zenker's) diverticulum. Ann Thorac Surg. Mar 1984;37(3):189-91. [Medline].
Peracchia A, Bonavina L, Narne S, et al. Minimally invasive surgery for Zenker diverticulum: analysis of results in 95 consecutive patients. Arch Surg. Jul 1998;133(7):695-700. [Medline].
Aly A, Devitt PG, Jamieson GG. Evolution of surgical treatment for pharyngeal pouch. Br J Surg. Jun 2004;91(6):657-64. [Medline].
Ochando Cerdan F, Moreno Gonzalez E, Hernandez Garcia D, et al. Diagnostic and treatment of Zenker's diverticulum: review of our series pharyngo-esophageal diverticula. Hepatogastroenterology. Mar-Apr 1998;45(20):447-50. [Medline].
Ummels C, Konsten J, Janzing H, et al. Classical operative therapy for Zenker's diverticulum. Acta Chir Belg. Sep-Oct 2007;107(5):557-9. [Medline].
Costamagna G, Iacopini F, Tringali A, et al. Flexible endoscopic Zenker's diverticulotomy: cap-assisted technique vs. diverticuloscope-assisted technique. Endoscopy. Feb 2007;39(2):146-52. [Medline].
Miller FR, Bartley J, Otto RA. The endoscopic management of Zenker diverticulum: CO2 laser versus endoscopic stapling. Laryngoscope. Sep 2006;116(9):1608-11. [Medline].
Palmer AD, Herrington HC, Rad IC, et al. Dysphagia after endoscopic repair of Zenker's diverticulum. Laryngoscope. Apr 2007;117(4):617-22. [Medline].
Rabenstein T, May A, Michel J, et al. Argon plasma coagulation for flexible endoscopic Zenker's diverticulotomy. Endoscopy. Feb 2007;39(2):141-5. [Medline].
Kos MP, David EF, Mahieu HF. Endoscopic carbon dioxide laser Zenker's diverticulotomy revisited. Ann Otol Rhinol Laryngol. Jul 2009;118(7):512-8. [Medline].
Further Reading
Clinical guidelines:
ACR Appropriateness Criteria® dysphagia. American College of Radiology - Medical Specialty Society. 1998 (revised 2007). 6 pages. NGC:006986
Cough and aspiration of food and liquids due to oral-pharyngeal dysphagia: ACCP evidence-based clinical practice guidelines. American College of Chest Physicians - Medical Specialty Society. 2006 Jan. 15 pages. NGC:004829
Keywords
Zenker diverticulum, Zenker's diverticulum, diverticulum, diverticula, cricopharyngeus, cricopharyngeal, cricopharyngeus muscle, diverticulectomy, cricopharyngeal myotomy, Zenker diverticula, Zenker's diverticula, hypopharyngeal diverticulum, pulsion diverticulum


Workup: Zenker Diverticulum